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进步公式 坚持!
Author:
yiyi
GeoGebra
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异形操场
龙形曲线-分形龙
盈利與虧蝕
第八周作业2
椭圆内切圆链
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任務2
畢式定理 (12)
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
GeoGebra桌機版安裝
密鋪圖形
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Definite Integral
Exponential Functions
Circumcircle or Circumscribed Circle
Triangles
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